Schuh, Frederick, 1875- The master book of mathematics recreations / Fred. Schuh; transla ted by F. Gobel; trnslation edited by T.H. O'Beirne. - New York : Dover Publications, 1968. - xvi, 430 p. : ill. ; 22 cm. Translation of Wonderlijke problemen. Subjects--Topical Terms: Mathematical recreations.-------- Dewey Class. No.: 793.74